12012111303201 has 48 divisors (see below), whose sum is σ = 18337766928000. Its totient is φ = 7556025980160.

The previous prime is 12012111303187. The next prime is 12012111303209. The reversal of 12012111303201 is 10230311121021.

12012111303201 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 211 + 130 + 320 + 1 = 666.

It is not a de Polignac number, because 12012111303201 - 2²³ = 12012102914593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012111303209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43995415 + ... + 44267603.

It is an arithmetic number, because the mean of its divisors is an integer number (382036811000).

Almost surely, 2^{12012111303201} is an apocalyptic number.

It is an amenable number.

12012111303201 is a deficient number, since it is larger than the sum of its proper divisors (6325655624799).

12012111303201 is a wasteful number, since it uses less digits than its factorization.

12012111303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273254 (or 273251 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12012111303201 its reverse (10230311121021), we get a palindrome (22242422424222).

The spelling of 12012111303201 in words is "twelve trillion, twelve billion, one hundred eleven million, three hundred three thousand, two hundred one".